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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.380 by root, Mon Oct 8 13:58:07 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
39		60
		61	our $RELOAD; # number of reloads so far
40	our @EVENT;	62	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		63
43	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	80	our $NEXT_TICK;
46	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
47		89
48	our %CFG;	90	our %CFG;
49		91
50	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	93	our $RUNTIME;
52		94
53	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	97	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		98
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	99	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
61		105
62	binmode STDOUT;	106	binmode STDOUT;
63	binmode STDERR;	107	binmode STDERR;
64		108
65	# read virtual server time, if available	109	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
70	}	114	}
71		115
72	mkdir cf::localdir;	116	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		118
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
81		122
82	#############################################################################	123	#############################################################################
83		124
84	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
85		126
…		…
92	=item $cf::RUNTIME	133	=item $cf::RUNTIME
93		134
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	136	every server tick.
96		137
97	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		141
99	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
101		146
102	=item $cf::NOW	147	=item $cf::NOW
103		148
104	The time of the last (current) server tick.	149	The time of the last (current) server tick.
105		150
106	=item $cf::TICK	151	=item $cf::TICK
107		152
108	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
109		164
110	=item %cf::CFG	165	=item %cf::CFG
111		166
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	168	from wherever your confdir points to.
114		169
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		171
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
121		181
122	=back	182	=back
123		183
124	=cut	184	=cut
125		185
126	BEGIN {	186	BEGIN {
127	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	188	my $msg = join "", @_;
129	utf8::encode $msg;
130		189
131	$msg .= "\n"	190	$msg .= "\n"
132	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
133		194
134	LOG llevError, $msg;	195	LOG llevError, $msg;
135	};	196	};
136	}	197	}
137		198
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		206
145	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	208	# within the Safe compartment.
147	for my $pkg (qw(	209	for my $pkg (qw(
148	cf::global cf::attachable	210	cf::global cf::attachable
…		…
157		219
158	$Event::DIED = sub {	220	$Event::DIED = sub {
159	warn "error in event callback: @_";	221	warn "error in event callback: @_";
160	};	222	};
161		223
162	my %ext_pkg;	224	#############################################################################
163	my @exts;
164	my @hook;
165		225
166	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
167		227
168	=over 4	228	=over 4
169		229
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	249	$d
190	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
191	}	251	}
192		252
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
196		254
197	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
198		256
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
207		258
208	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
209		260
210	=cut	261	=cut
211		262
212	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
214	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
216		267
217	=item cf::lock_wait $string	268	=item cf::lock_wait $string
218		269
219	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
220		271
…		…
223	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
226	returned.	277	returned.
227		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
228	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
230		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
231	=cut	289	=cut
232		290
233	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
234		293
235	sub lock_wait($) {	294	sub lock_wait($) {
236	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
237		301
238	# wait for lock, if any	302	# wait for lock, if any
239	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	305	Coro::schedule;
…		…
247		311
248	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
249	lock_wait $key;	313	lock_wait $key;
250		314
251	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
252		317
253	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
256	}	322	}
257	}	323	}
258		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
259	sub freeze_mainloop {	331	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
261		333
262	my $guard = Coro::guard { $TICK_WATCHER->start };	334	my $guard = Coro::guard {
		335	$TICK_WATCHER->start;
		336	};
263	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
264	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
265	}	397	}
266		398
267	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
268		400
269	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		406
275	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
276		408
277	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
278		410
279	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
282		415
283	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
286	fast or be very important.	419	fast or be very important.
…		…
289		422
290	sub sync_job(&) {	423	sub sync_job(&) {
291	my ($job) = @_;	424	my ($job) = @_;
292		425
293	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
294	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
296		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
297	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	435	# (but this is cancel-safe)
299	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
300		437
301	my $busy = 1;	438	my $busy = 1;
302	my @res;	439	my @res;
303		440
304	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	443	@res = eval { $job->() };
306	warn $@ if $@;	444	warn $@ if $@;
307	undef $busy;	445	undef $busy;
308	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
309		447
310	while ($busy) {	448	while ($busy) {
311	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
312	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
313		458
314	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
315	} else {	460	} else {
316	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
317		462
…		…
319	}	464	}
320	}	465	}
321		466
322	=item $coro = cf::async_ext { BLOCK }	467	=item $coro = cf::async_ext { BLOCK }
323		468
324	Like async, but this coro is automcatially being canceled when the	469	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	470	extension calling this is being unloaded.
326		471
327	=cut	472	=cut
328		473
329	sub async_ext(&) {	474	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
338		483
339	$coro	484	$coro
340	}	485	}
341		486
342	sub write_runtime {	487	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		488
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	Executes the given code block with the given arguments in a seperate
346	or return;	490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
347		493
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	494	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		495
352	aio_fsync $fh	496	sub fork_call(&@) {
353	and return;	497	my ($cb, @args) = @_;
354		498
355	close $fh	499	# we seemingly have to make a local copy of the whole thing,
356	or return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
357		502
358	aio_rename "$runtime~", $runtime	503	my @res = Coro::Util::fork_eval {
359	and return;	504	reset_signals;
		505	&$cb
		506	}, @args;
360		507
		508	wantarray ? @res : $res[-1]
		509	}
		510
		511	=item $value = cf::db_get $family => $key
		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
361	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
		636	}
		637
		638	=item cf::datalog type => key => value, ...
		639
		640	Log a datalog packet of the given type with the given key-value pairs.
		641
		642	=cut
		643
		644	sub datalog($@) {
		645	my ($type, %kv) = @_;
		646	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	647	}
363		648
364	=back	649	=back
365		650
366	=cut	651	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		652
495	#############################################################################	653	#############################################################################
496		654
497	=head2 ATTACHABLE OBJECTS	655	=head2 ATTACHABLE OBJECTS
498		656
…		…
500	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
501	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
502		660
503	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
504	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
505	crossfire+).	663	Crossfire TRT).
506		664
507	=over 4	665	=over 4
508		666
509	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
510		668
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	782	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	783	our @CB_MAP = ();
626		784
627	my %attachment;	785	my %attachment;
628		786
		787	sub cf::attachable::thawer_merge {
		788	# simply override everything except _meta
		789	local $_[0]{_meta};
		790	%{$_[0]} = %{$_[1]};
		791	}
		792
629	sub _attach_cb($$$$) {	793	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	794	my ($registry, $event, $prio, $cb) = @_;
631		795
632	use sort 'stable';	796	use sort 'stable';
633		797
…		…
667	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
668		832
669	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
670	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
671	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
672	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673		837
674	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
675	my $pkg = shift @arg;	839	my $pkg = shift @arg;
676		840
677	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
706	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
707	}	871	}
708		872
709	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
710	} else {	874	} else {
711	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
712	}	876	}
713		877
714	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
715	}	879	}
716		880
…		…
718	if (ref $_[0]) {	882	if (ref $_[0]) {
719	_object_attach @_;	883	_object_attach @_;
720	} else {	884	} else {
721	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
722	}	886	}
		887	_recalc_want;
723	};	888	};
724		889
725	# all those should be optimised	890	# all those should be optimised
726	sub cf::attachable::detach {	891	sub cf::attachable::detach {
727	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
730	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
731	reattach ($obj);	896	reattach ($obj);
732	} else {	897	} else {
733	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
734	}	899	}
		900	_recalc_want;
735	};	901	};
736		902
737	sub cf::attachable::attached {	903	sub cf::attachable::attached {
738	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
739		905
…		…
754	";	920	";
755	die if $@;	921	die if $@;
756	}	922	}
757		923
758	our $override;	924	our $override;
759	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
760		926
761	sub override {	927	sub override {
762	$override = 1;	928	$override = 1;
763	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
764	}	930	}
765		931
766	sub do_invoke {	932	sub do_invoke {
767	my $event = shift;	933	my $event = shift;
768	my $callbacks = shift;	934	my $callbacks = shift;
769		935
770	@invoke_results = ();	936	@INVOKE_RESULTS = ();
771		937
772	local $override;	938	local $override;
773		939
774	for (@$callbacks) {	940	for (@$callbacks) {
775	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
792		958
793	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
794		960
795	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
796	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
797	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
798		964
799	=back	965	=back
800		966
801	=cut	967	=cut
802		968
803	#############################################################################	969	#############################################################################
804	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
805		982
806	sub reattach {	983	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	985	my ($obj) = @_;
		986
		987	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		988
810	my $registry = $obj->registry;	989	my $registry = $obj->registry;
811		990
812	@$registry = ();	991	@$registry = ();
813		992
…		…
854	sub object_freezer_save {	1033	sub object_freezer_save {
855	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
856		1035
857	sync_job {	1036	sync_job {
858	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
859	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
860	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
861		1041
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	1045	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	1046	close $fh;
867		1047
868	if (@$objs) {	1048	if (@$objs) {
869	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
870	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	1053	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	1054	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
876	}	1056	}
877	} else {	1057	} else {
878	aio_unlink "$filename.pst";	1058	aio_unlink "$filename.pst";
…		…
884	}	1064	}
885	} else {	1065	} else {
886	aio_unlink $filename;	1066	aio_unlink $filename;
887	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
888	}	1068	}
889	}	1069	};
890	}	1070	}
891		1071
892	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
893	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
894		1074
…		…
906	or return;	1086	or return;
907		1087
908	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
909	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
910	or return;	1090	or return;
911	$av = eval { (Storable::thaw $av)->{objs} };
912	}
913		1091
		1092	my $st = eval { Coro::Storable::thaw $av }
		1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1094	$av = $st->{objs};
		1095	}
		1096
		1097	utf8::decode (my $decname = $filename);
914	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
915	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
916	return ($data, $av);	1101	($data, $av)
917	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
918		1109
919	#############################################################################	1110	#############################################################################
920	# command handling &c	1111	# command handling &c
921		1112
922	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
935	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
936	}	1127	}
937		1128
938	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
939		1130
940	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
941		1136
942	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
943	called.	1138	called.
944		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
945	=cut	1151	=cut
946		1152
947	sub register_extcmd {	1153	sub register_extcmd {
948	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
949		1155
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
954	}	1163	}
955		1164
956	cf::player->attach (	1165	cf::player->attach (
957	on_command => sub {	1166	on_command => sub {
958	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
967	cf::override;	1176	cf::override;
968	},	1177	},
969	on_extcmd => sub {	1178	on_extcmd => sub {
970	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
971		1180
972	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973		1182
974	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
977	$pl->ext_reply ($msg->{msgid}, %reply);
978	}
979	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
980	} else {	1198	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
982	}	1200	}
983		1201
984	cf::override;	1202	cf::override;
985	},	1203	},
986	);	1204	);
987		1205
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {
995	my ($path) = @_;
996
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;
999	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";
1002
1003	warn "loading '$path' into '$pkg'\n";
1004
1005	open my $fh, "<:utf8", $path
1006	or die "$path: $!";
1007
1008	my $source =
1009	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })
1012	. "\n};\n1";
1013
1014	eval $source
1015	or die $@ ? "$path: $@\n"
1016	: "extension disabled.\n";
1017
1018	push @exts, $pkg;
1019	$ext_pkg{$base} = $pkg;
1020
1021	# no strict 'refs';
1022	# @{"$pkg\::ISA"} = ext::;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }
1037
1038	# remove commands
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}
1063
1064	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
1065	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	1211	next unless -r $path;
1067	eval {	1212
1068	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
1069	1	1270	}
1070	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
1071	}	1276	};
1072	}	1277	}
1073		1278
1074	#############################################################################	1279	#############################################################################
1075	# load/save/clean perl data associated with a map
1076		1280
1077	*cf::mapsupport::on_clean = sub {	1281	=back
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		1282
1090	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
1091		1284
1092	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
1093		1286
…		…
1099		1292
1100	=head3 cf::player	1293	=head3 cf::player
1101		1294
1102	=over 4	1295	=over 4
1103		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
1104	=item cf::player::find $login	1311	=item cf::player::find $login
1105		1312
1106	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
1107		1314
1108	=cut	1315	=cut
1109		1316
1110	sub playerdir($) {	1317	sub playerdir($) {
1111	cf::localdir	1318	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1320	}
1117		1321
1118	sub path($) {	1322	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1324
1121	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
1122	}	1326	}
1123		1327
1124	sub find_active($) {	1328	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
1129		1333
1130	sub exists($) {	1334	sub exists($) {
1131	my ($login) = @_;	1335	my ($login) = @_;
1132		1336
1133	$cf::PLAYER{$login}	1337	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1338	or cf::sync_job { !aio_stat path $login }
1135	}	1339	}
1136		1340
1137	sub find($) {	1341	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1342	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1343	my $login = $_[0];
1140		1344
1141	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
1142		1346
1143	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
1144	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
1145	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
1146	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1147	}	1363	}
1148	}	1364	}
1149	}	1365	}
1150		1366
…		…
1160		1376
1161	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1162	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1163		1379
1164	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1165	Coro::cede;	1381	cf::cede_to_tick;
1166	}	1382	}
1167		1383
1168	sub new($) {	1384	sub new($) {
1169	my ($login) = @_;	1385	my ($login) = @_;
1170		1386
…		…
1176	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1177		1393
1178	$self	1394	$self
1179	}	1395	}
1180		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1181	=item $pl->quit_character	1407	=item $pl->quit_character
1182		1408
1183	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1184	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1185		1411
1186	=cut	1412	=cut
1187		1413
1188	sub quit_character {	1414	sub quit_character {
1189	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1190		1418
1191	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1193		1421
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1204	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1205	}	1453	}
1206		1454
1207	=item cf::player::list_logins	1455	=item cf::player::list_logins
1208		1456
1209	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1210	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1211		1459
1212	=cut	1460	=cut
1213		1461
1214	sub list_logins {	1462	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1464	or return [];
1217		1465
1218	my @logins;	1466	my @logins;
1219		1467
1220	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1221	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1222	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1223	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1224		1477
1225	utf8::decode $login;	1478	utf8::decode $login;
1226	push @logins, $login;	1479	push @logins, $login;
1227	}	1480	}
1228		1481
1229	\@logins	1482	\@logins
1230	}	1483	}
1231		1484
1232	=item $player->maps	1485	=item $player->maps
1233		1486
1234	Returns an arrayref of cf::path's of all maps that are private for this	1487	Returns an arrayref of map paths that are private for this
1235	player. May block.	1488	player. May block.
1236		1489
1237	=cut	1490	=cut
1238		1491
1239	sub maps($) {	1492	sub maps($) {
1240	my ($pl) = @_;	1493	my ($pl) = @_;
		1494
		1495	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1496
1242	my $files = aio_readdir playerdir $pl	1497	my $files = aio_readdir playerdir $pl
1243	or return;	1498	or return;
1244		1499
1245	my @paths;	1500	my @paths;
…		…
1247	for (@$files) {	1502	for (@$files) {
1248	utf8::decode $_;	1503	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1504	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1505	next unless /^$PATH_SEP/o;
1251		1506
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1507	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1508	}
1254		1509
1255	\@paths	1510	\@paths
1256	}	1511	}
1257		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1259		1565
1260	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1261		1567
1262	=cut	1568	=cut
1263		1569
1264	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1265	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1266		1572
1267	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1268
1269	$self->send ("ext " . cf::to_json \%msg);
1270	}	1574	}
1271		1575
1272	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1273		1616
1274	=back	1617	=back
1275
1276		1618
1277	=head3 cf::map	1619	=head3 cf::map
1278		1620
1279	=over 4	1621	=over 4
1280		1622
…		…
1283	package cf::map;	1625	package cf::map;
1284		1626
1285	use Fcntl;	1627	use Fcntl;
1286	use Coro::AIO;	1628	use Coro::AIO;
1287		1629
		1630	use overload
		1631	'""' => \&as_string,
		1632	fallback => 1;
		1633
1288	our $MAX_RESET = 3600;	1634	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1635	our $DEFAULT_RESET = 3000;
1290		1636
1291	sub generate_random_map {	1637	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1638	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1639	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1640	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1641	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1642	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1643	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1644	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1645	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1646	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1647	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1648	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1649	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1650	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1651	(cf::region::find $rmp->{region}), $rmp->{custom}
		1652	)
		1653	}
		1654
		1655	=item cf::map->register ($regex, $prio)
		1656
		1657	Register a handler for the map path matching the given regex at the
		1658	givne priority (higher is better, built-in handlers have priority 0, the
		1659	default).
		1660
		1661	=cut
		1662
		1663	sub register {
		1664	my (undef, $regex, $prio) = @_;
		1665	my $pkg = caller;
		1666
		1667	no strict;
		1668	push @{"$pkg\::ISA"}, __PACKAGE__;
		1669
		1670	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1671	}
		1672
		1673	# also paths starting with '/'
		1674	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1675
		1676	sub thawer_merge {
		1677	my ($self, $merge) = @_;
		1678
		1679	# we have to keep some variables in memory intact
		1680	local $self->{path};
		1681	local $self->{load_path};
		1682
		1683	$self->SUPER::thawer_merge ($merge);
		1684	}
		1685
		1686	sub normalise {
		1687	my ($path, $base) = @_;
		1688
		1689	$path = "$path"; # make sure its a string
		1690
		1691	$path =~ s/\.map$//;
		1692
		1693	# map plan:
		1694	#
		1695	# /! non-realised random map exit (special hack!)
		1696	# {... are special paths that are not being touched
		1697	# ?xxx/... are special absolute paths
		1698	# ?random/... random maps
		1699	# /... normal maps
		1700	# ~user/... per-player map of a specific user
		1701
		1702	$path =~ s/$PATH_SEP/\//go;
		1703
		1704	# treat it as relative path if it starts with
		1705	# something that looks reasonable
		1706	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1707	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1708
		1709	$base =~ s{[^/]+/?$}{};
		1710	$path = "$base/$path";
		1711	}
		1712
		1713	for ($path) {
		1714	redo if s{//}{/};
		1715	redo if s{/\.?/}{/};
		1716	redo if s{/[^/]+/\.\./}{/};
		1717	}
		1718
		1719	$path
		1720	}
		1721
		1722	sub new_from_path {
		1723	my (undef, $path, $base) = @_;
		1724
		1725	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1726
		1727	$path = normalise $path, $base;
		1728
		1729	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1730	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1731	my $self = bless cf::map::new, $pkg;
		1732	$self->{path} = $path; $self->path ($path);
		1733	$self->init; # pass $1 etc.
		1734	return $self;
		1735	}
		1736	}
		1737
		1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1739	()
		1740	}
		1741
		1742	sub init {
		1743	my ($self) = @_;
		1744
		1745	$self
		1746	}
		1747
		1748	sub as_string {
		1749	my ($self) = @_;
		1750
		1751	"$self->{path}"
		1752	}
		1753
		1754	# the displayed name, this is a one way mapping
		1755	sub visible_name {
		1756	&as_string
		1757	}
		1758
		1759	# the original (read-only) location
		1760	sub load_path {
		1761	my ($self) = @_;
		1762
		1763	"$MAPDIR/$self->{path}.map"
		1764	}
		1765
		1766	# the temporary/swap location
		1767	sub save_path {
		1768	my ($self) = @_;
		1769
		1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1771	"$TMPDIR/$path.map"
		1772	}
		1773
		1774	# the unique path, undef == no special unique path
		1775	sub uniq_path {
		1776	my ($self) = @_;
		1777
		1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1779	"$UNIQUEDIR/$path"
1308	}	1780	}
1309		1781
1310	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1311	# all maps in C++...	1783	# all maps in C++...
1312	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1314		1786
1315	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1317	}	1789	}
1318		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
		1799	sub unlink_save {
		1800	my ($self) = @_;
		1801
		1802	utf8::encode (my $save = $self->save_path);
		1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1805	}
		1806
1319	sub try_load_header($) {	1807	sub load_header_from($) {
1320	my ($path) = @_;	1808	my ($self, $path) = @_;
1321		1809
1322	utf8::encode $path;	1810	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1324	or return;	1812	or return;
1325		1813
1326	my $map = cf::map::new	1814	$self->_load_header ($f)
1327	or return;	1815	or return;
1328		1816
1329	# for better error messages only, will be overwritten	1817	local $MAP_LOADING{$self->{path}} = $self;
1330	$map->path ($path);	1818	$f->resolve_delayed_derefs;
1331		1819
1332	$map->load_header ($path)	1820	$self->{load_path} = $path;
		1821
		1822	1
		1823	}
		1824
		1825	sub load_header_orig {
		1826	my ($self) = @_;
		1827
		1828	$self->load_header_from ($self->load_path)
		1829	}
		1830
		1831	sub load_header_temp {
		1832	my ($self) = @_;
		1833
		1834	$self->load_header_from ($self->save_path)
		1835	}
		1836
		1837	sub prepare_temp {
		1838	my ($self) = @_;
		1839
		1840	$self->last_access ((delete $self->{last_access})
		1841	|| $cf::RUNTIME); #d#
		1842	# safety
		1843	$self->{instantiate_time} = $cf::RUNTIME
		1844	if $self->{instantiate_time} > $cf::RUNTIME;
		1845	}
		1846
		1847	sub prepare_orig {
		1848	my ($self) = @_;
		1849
		1850	$self->{load_original} = 1;
		1851	$self->{instantiate_time} = $cf::RUNTIME;
		1852	$self->last_access ($cf::RUNTIME);
		1853	$self->instantiate;
		1854	}
		1855
		1856	sub load_header {
		1857	my ($self) = @_;
		1858
		1859	if ($self->load_header_temp) {
		1860	$self->prepare_temp;
		1861	} else {
		1862	$self->load_header_orig
1333	or return;	1863	or return;
		1864	$self->prepare_orig;
		1865	}
1334		1866
1335	$map->{load_path} = $path;	1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
1336		1869
1337	$map	1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
		1873	1
1338	}	1874	}
1339		1875
1340	sub find;	1876	sub find;
1341	sub find {	1877	sub find {
1342	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1343		1879
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1349	cf::lock_wait "map_find:$key";	1883	cf::lock_wait "map_find:$path";
1350		1884
1351	$cf::MAP{$key} || do {	1885	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1353		1888
1354	# do it the slow way	1889	my $map = new_from_path cf::map $path
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1890	or return;
1373		1891
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1386		1893
1387	Coro::cede;	1894	$map->load_header
		1895	or return;
1388		1896
1389	if ($map->should_reset) {	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1898	# doing this can freeze the server in a sync job, obviously
		1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1390	$map->reset;	1902	$map->reset;
1391	undef $guard;
1392	$map = find $path	1903	return find $path;
1393	or return;
1394	}	1904	}
1395		1905
1396	$cf::MAP{$key} = $map	1906	$cf::MAP{$path} = $map
1397	}	1907	}
1398	}	1908	}
		1909
		1910	sub pre_load { }
		1911	sub post_load { }
1399		1912
1400	sub load {	1913	sub load {
1401	my ($self) = @_;	1914	my ($self) = @_;
1402		1915
		1916	local $self->{deny_reset} = 1; # loading can take a long time
		1917
1403	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1921	my $guard = cf::lock_acquire "map_data:$path";
1405		1922
		1923	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		1925
1408	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1409		1927
1410	$self->alloc;	1928	$self->alloc;
1411	$self->load_objects ($self->{load_path}, 1)	1929
		1930	$self->pre_load;
		1931	cf::cede_to_tick;
		1932
		1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1412	or return;	1936	or return;
1413		1937
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1939	if delete $self->{load_original};
1416		1940
1417	if (my $uniq = $path->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1942	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1420	$self->clear_unique_items;	1945	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1422	}	1949	}
1423	}	1950	}
1424		1951
1425	Coro::cede;	1952	$f->resolve_delayed_derefs;
1426		1953
		1954	cf::cede_to_tick;
1427	# now do the right thing for maps	1955	# now do the right thing for maps
1428	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1958	unless $self->difficulty;
		1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1440	$self->activate;	1968	$self->activate;
1441	}	1969	}
1442		1970
1443	Coro::cede;	1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
1444		1973
1445	$self->in_memory (cf::MAP_IN_MEMORY);	1974	$self->in_memory (cf::MAP_IN_MEMORY);
		1975	}
		1976
		1977	$self->post_load;
		1978	}
		1979
		1980	sub customise_for {
		1981	my ($self, $ob) = @_;
		1982
		1983	return find "~" . $ob->name . "/" . $self->{path}
		1984	if $self->per_player;
		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
		1989	$self
1446	}	1990	}
1447		1991
1448	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1993	sub load_neighbours {
1450	my ($map) = @_;	1994	my ($map) = @_;
1451		1995
1452	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1453		1997
1454	for (0 .. 3) {	1998	for (0 .. 3) {
1455	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1456	or next;	2000	or next;
1457	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1458	or next;	2002	or next;
1459	$neigh->load;	2003	$neigh->load;
1460		2004
		2005	push @neigh,
1461	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1462	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1463	}	2008	}
1464		2009
1465	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1466	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1467	or next;	2013	or next;
1468	$neigh->load;	2014	$neigh->load;
1469	}	2015	}
1470	}	2016	}
1471		2017
…		…
1476	}	2022	}
1477		2023
1478	sub do_load_sync {	2024	sub do_load_sync {
1479	my ($map) = @_;	2025	my ($map) = @_;
1480		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1481	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1482	}	2031	}
1483		2032
1484	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
		2034	our $MAP_PREFETCHER = undef;
		2035
		2036	sub find_async {
		2037	my ($path, $origin, $load) = @_;
		2038
		2039	$path = normalise $path, $origin && $origin->{path};
		2040
		2041	if (my $map = $cf::MAP{$path}) {
		2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2043	}
		2044
		2045	$MAP_PREFETCH{$path} |= $load;
		2046
1485	our $MAP_PREFETCHER = Coro::async {	2047	$MAP_PREFETCHER ||= cf::async {
1486	while () {	2048	$Coro::current->{desc} = "map prefetcher";
		2049
1487	while (%MAP_PREFETCH) {	2050	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH	2051	while (my ($k, $v) = each %MAP_PREFETCH) {
1489	or next;	2052	if (my $map = find $k) {
		2053	$map->load if $v;
		2054	}
		2055
1490	my $path = delete $MAP_PREFETCH{$key};	2056	delete $MAP_PREFETCH{$k};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}	2057	}
1496	Coro::schedule;	2058	}
		2059	undef $MAP_PREFETCHER;
1497	}	2060	};
1498	};
1499
1500	sub find_async {
1501	my ($path, $origin) = @_;
1502
1503	$path = new cf::path $path, $origin && $origin->path;
1504	my $key = $path->as_string;
1505
1506	if (my $map = $cf::MAP{$key}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}
1509
1510	$MAP_PREFETCH{$key} = $path;
1511	$MAP_PREFETCHER->ready;	2061	$MAP_PREFETCHER->prio (6);
1512		2062
1513	()	2063	()
1514	}	2064	}
1515		2065
1516	sub save {	2066	sub save {
1517	my ($self) = @_;	2067	my ($self) = @_;
1518		2068
1519	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1520		2070
1521	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1522		2072
1523	return unless $self->dirty;	2073	return unless $self->dirty;
1524		2074
1525	my $save = $self->{path}->save_path; utf8::encode $save;	2075	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2076	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		2077
1528	$self->{load_path} = $save;	2078	$self->{load_path} = $save;
1529		2079
1530	return if $self->{deny_save};	2080	return if $self->{deny_save};
1531		2081
1532	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1533		2083
1534	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1535	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1536	};	2087	};
1537		2088
1538	if ($uniq) {	2089	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	2091	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	2092	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2093	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	2094	}
1544	}	2095	}
1545		2096
1546	sub swap_out {	2097	sub swap_out {
1547	my ($self) = @_;	2098	my ($self) = @_;
1548		2099
1549	# save first because save cedes	2100	# save first because save cedes
1550	$self->save;	2101	$self->save;
1551		2102
1552	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1553		2104
1554	return if $self->players;	2105	return if $self->players;
1555	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1556	return if $self->{deny_save};	2107	return if $self->{deny_save};
1557		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1558	$self->clear;	2113	$self->clear;
1559	$self->in_memory (cf::MAP_SWAPPED);
1560	}	2114	}
1561		2115
1562	sub reset_at {	2116	sub reset_at {
1563	my ($self) = @_;	2117	my ($self) = @_;
1564		2118
1565	# TODO: safety, remove and allow resettable per-player maps	2119	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};
1567	return 1e99 if $self->{deny_reset};	2120	return 1e99 if $self->{deny_reset};
1568		2121
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		2124
…		…
1576	my ($self) = @_;	2129	my ($self) = @_;
1577		2130
1578	$self->reset_at <= $cf::RUNTIME	2131	$self->reset_at <= $cf::RUNTIME
1579	}	2132	}
1580		2133
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	2134	sub reset {
1603	my ($self) = @_;	2135	my ($self) = @_;
1604		2136
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2138
1607	return if $self->players;	2139	return if $self->players;
1608	return if $self->{path}{user_rel};#d#
1609		2140
1610	warn "resetting map ", $self->path;#d#	2141	warn "resetting map ", $self->path;
		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	# need to save uniques path
		2146	unless ($self->{deny_save}) {
		2147	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2148
		2149	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2150	if $uniq;
		2151	}
1611		2152
1612	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1613		2154
		2155	$self->deactivate;
1614	$_->clear_links_to ($self) for values %cf::MAP;	2156	$_->clear_links_to ($self) for values %cf::MAP;
		2157	$self->clear;
1615		2158
1616	$self->unlink_save;	2159	$self->unlink_save;
1617	$self->destroy;	2160	$self->destroy;
1618	}	2161	}
1619		2162
1620	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1621		2164
1622	sub nuke {	2165	sub nuke {
1623	my ($self) = @_;	2166	my ($self) = @_;
1624		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
		2171	delete $cf::MAP{$self->path};
		2172
		2173	$self->unlink_save;
		2174
		2175	bless $self, "cf::map";
		2176	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2180
		2181	$cf::MAP{$self->path} = $self;
		2182	}
		2183
1628	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
1629	}	2185	}
1630		2186
1631	sub customise_for {	2187	=item $maps = cf::map::tmp_maps
1632	my ($map, $ob) = @_;
1633		2188
1634	if ($map->per_player) {	2189	Returns an arrayref with all map paths of currently instantiated and saved
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2190	maps. May block.
		2191
		2192	=cut
		2193
		2194	sub tmp_maps() {
1636	}	2195	[
		2196	map {
		2197	utf8::decode $_;
		2198	/\.map$/
		2199	? normalise $_
		2200	: ()
		2201	} @{ aio_readdir $TMPDIR or [] }
		2202	]
		2203	}
1637		2204
1638	$map	2205	=item $maps = cf::map::random_maps
		2206
		2207	Returns an arrayref with all map paths of currently instantiated and saved
		2208	random maps. May block.
		2209
		2210	=cut
		2211
		2212	sub random_maps() {
		2213	[
		2214	map {
		2215	utf8::decode $_;
		2216	/\.map$/
		2217	? normalise "?random/$_"
		2218	: ()
		2219	} @{ aio_readdir $RANDOMDIR or [] }
		2220	]
1639	}	2221	}
1640		2222
1641	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1642		2224
1643	Returns an arrayref of cf::path's of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	2226	instantiated unique items. May block.
1645		2227
1646	=cut	2228	=cut
1647		2229
1648	sub unique_maps() {	2230	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2231	[
1650	or return;	2232	map {
1651
1652	my @paths;
1653
1654	for (@$files) {
1655	utf8::decode $_;	2233	utf8::decode $_;
1656	next if /\.pst$/;	2234	/\.map$/
1657	next unless /^$PATH_SEP/o;	2235	? normalise $_
1658		2236	: ()
1659	push @paths, new cf::path $_;	2237	} @{ aio_readdir $UNIQUEDIR or [] }
1660	}	2238	]
1661
1662	\@paths
1663	}	2239	}
1664		2240
1665	package cf;	2241	package cf;
1666		2242
1667	=back	2243	=back
…		…
1685	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1686	}	2262	}
1687		2263
1688	sub inv_recursive {	2264	sub inv_recursive {
1689	inv_recursive_ inv $_[0]	2265	inv_recursive_ inv $_[0]
		2266	}
		2267
		2268	=item $ref = $ob->ref
		2269
		2270	creates and returns a persistent reference to an objetc that can be stored as a string.
		2271
		2272	=item $ob = cf::object::deref ($refstring)
		2273
		2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2275	even if the object actually exists. May block.
		2276
		2277	=cut
		2278
		2279	sub deref {
		2280	my ($ref) = @_;
		2281
		2282	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1690	}	2294	}
1691		2295
1692	package cf;	2296	package cf;
1693		2297
1694	=back	2298	=back
…		…
1713		2317
1714	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715		2319
1716	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1717	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1718	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1719	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1720	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1721	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1722	}	2345	}
1723		2346
1724	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1725		2348
1726	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1739		2362
1740	=item $player_object->enter_link	2363	=item $player_object->enter_link
1741		2364
1742	Freezes the player and moves him/her to a special map (C<{link}>).	2365	Freezes the player and moves him/her to a special map (C<{link}>).
1743		2366
1744	The player should be reaosnably safe there for short amounts of time. You	2367	The player should be reasonably safe there for short amounts of time. You
1745	I<MUST> call C<leave_link> as soon as possible, though.	2368	I<MUST> call C<leave_link> as soon as possible, though.
1746		2369
		2370	Will never block.
		2371
1747	=item $player_object->leave_link ($map, $x, $y)	2372	=item $player_object->leave_link ($map, $x, $y)
1748		2373
1749	Moves the player out of the specila link map onto the given map. If the	2374	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	2375	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	2376	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	2377	fails, to the emergency map position.
1753		2378
1754	Might block.	2379	Might block.
1755		2380
1756	=cut	2381	=cut
		2382
		2383	sub link_map {
		2384	unless ($LINK_MAP) {
		2385	$LINK_MAP = cf::map::find "{link}"
		2386	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2387	$LINK_MAP->load;
		2388	}
		2389
		2390	$LINK_MAP
		2391	}
1757		2392
1758	sub cf::object::player::enter_link {	2393	sub cf::object::player::enter_link {
1759	my ($self) = @_;	2394	my ($self) = @_;
1760		2395
1761	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1762		2397
1763	return if $self->map == $LINK_MAP;	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		2399
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1767		2402
1768	$self->enter_map ($LINK_MAP, 20, 20);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	2404	}
1770		2405
1771	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1773		2410
1774	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1775		2412
1776	unless ($map) {	2413	unless ($map) {
1777	# restore original map position	2414	# restore original map position
…		…
1791	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1792	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1793	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1794		2431
1795	$map->load;	2432	$map->load;
1796	$map->load_diag;	2433	$map->load_neighbours;
1797		2434
1798	return unless $self->contr->active;	2435	return unless $self->contr->active;
1799	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1801	}	2440	}
1802		2441
1803	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1804	on_logout => sub {
1805	my ($pl) = @_;
1806		2443
1807	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1808	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1809	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1810	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1811	};	2448	be called at the end of this process.
1812	}
1813	},
1814	on_login => sub {
1815	my ($pl) = @_;
1816		2449
1817	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;
1821	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);
1828	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;
1830	})->prio (2);
1831	}
1832	},
1833	);
1834
1835	=item $player_object->goto ($path, $x, $y)
1836
1837	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1838		2453
1839	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
1841		2456
1842	$path = new cf::path $path;	2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843		2459
1844	$self->enter_link;	2460	$self->enter_link;
1845		2461
1846	(async {	2462	(async {
1847	my $map = cf::map::find $path->as_string;	2463	$Coro::current->{desc} = "player::goto $path $x $y";
		2464
		2465	# *tag paths override both path and x|y
		2466	if ($path =~ /^\*(.*)$/) {
		2467	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2468	my $ob = $obs[rand @obs];
		2469
		2470	# see if we actually can go there
		2471	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2472	$ob = $obs[rand @obs];
		2473	} else {
		2474	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2475	}
		2476	# else put us there anyways for now #d#
		2477
		2478	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2479	} else {
		2480	($path, $x, $y) = (undef, undef, undef);
		2481	}
		2482	}
		2483
		2484	my $map = eval {
		2485	my $map = defined $path ? cf::map::find $path : undef;
		2486
		2487	if ($map) {
1848	$map = $map->customise_for ($self) if $map;	2488	$map = $map->customise_for ($self);
1849		2489	$map = $check->($map) if $check && $map;
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	2490	} else {
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2492	}
1854		2493
		2494	$map
		2495	};
		2496
		2497	if ($@) {
		2498	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2499	LOG llevError | logBacktrace, Carp::longmess $@;
		2500	}
		2501
		2502	if ($gen == $self->{_goto_generation}) {
		2503	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
		2505	}
		2506
		2507	$done->() if $done;
1856	})->prio (1);	2508	})->prio (1);
1857	}	2509	}
1858		2510
1859	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
1860		2512
…		…
1862		2514
1863	sub parse_random_map_params {	2515	sub parse_random_map_params {
1864	my ($spec) = @_;	2516	my ($spec) = @_;
1865		2517
1866	my $rmp = { # defaults	2518	my $rmp = { # defaults
1867	xsize => 10,	2519	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2520	ysize => (cf::rndm 15, 40),
		2521	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2522	#layout => string,
1869	};	2523	};
1870		2524
1871	for (split /\n/, $spec) {	2525	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2526	my ($k, $v) = split /\s+/, $_, 2;
1873		2527
…		…
1877	$rmp	2531	$rmp
1878	}	2532	}
1879		2533
1880	sub prepare_random_map {	2534	sub prepare_random_map {
1881	my ($exit) = @_;	2535	my ($exit) = @_;
		2536
		2537	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		2538
1883	# all this does is basically replace the /! path by	2539	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	2540	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	2541	# that depends on the exit object
1886		2542
1887	my $rmp = parse_random_map_params $exit->msg;	2543	my $rmp = parse_random_map_params $exit->msg;
1888		2544
1889	if ($exit->map) {	2545	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2546	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2547	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2548	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2549	$rmp->{origin_y} = $exit->y;
1894	}	2550	}
1895		2551
1896	$rmp->{random_seed} ||= $exit->random_seed;	2552	$rmp->{random_seed} ||= $exit->random_seed;
1897		2553
1898	my $data = cf::to_json $rmp;	2554	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	2555	my $md5 = Digest::MD5::md5_hex $data;
		2556	my $meta = "$RANDOMDIR/$md5.meta";
1900		2557
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	2559	aio_write $fh, 0, (length $data), $data, 0;
		2560	undef $fh;
		2561	aio_rename "$meta~", $meta;
1903		2562
1904	$exit->slaying ("?random/$md5");	2563	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2564	$exit->msg (undef);
1906	}	2565	}
1907	}	2566	}
…		…
1909	sub cf::object::player::enter_exit {	2568	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2569	my ($self, $exit) = @_;
1911		2570
1912	return unless $self->type == cf::PLAYER;	2571	return unless $self->type == cf::PLAYER;
1913		2572
		2573	if ($exit->slaying eq "/!") {
		2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2575	# the problem is that $exit might not survive long enough
		2576	# so it needs to be done right now, right here
		2577	cf::sync_job { prepare_random_map $exit };
		2578	}
		2579
		2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2581	my $hp = $exit->stats->hp;
		2582	my $sp = $exit->stats->sp;
		2583
1914	$self->enter_link;	2584	$self->enter_link;
1915		2585
		2586	# if exit is damned, update players death & WoR home-position
		2587	$self->contr->savebed ($slaying, $hp, $sp)
		2588	if $exit->flag (FLAG_DAMNED);
		2589
1916	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
1917	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2594	unless (eval {
1919	prepare_random_map $exit	2595	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		2596
1925	1;	2597	1;
1926	}) {	2598	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2599	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	2600	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2601	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2602	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2603
1932	warn "ERROR in enter_exit: $@";	2604	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2605	$self->leave_link;
1934	}	2606	}
1935	})->prio (1);	2607	})->prio (1);
…		…
1948		2620
1949	sub cf::client::send_drawinfo {	2621	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2622	my ($self, $text, $flags) = @_;
1951		2623
1952	utf8::encode $text;	2624	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2626	}
1955		2627
		2628	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2629
		2630	Send a drawinfo or msg packet to the client, formatting the msg for the
		2631	client if neccessary. C<$type> should be a string identifying the type of
		2632	the message, with C<log> being the default. If C<$color> is negative, suppress
		2633	the message unless the client supports the msg packet.
		2634
		2635	=cut
		2636
		2637	our %CHANNEL = (
		2638	"c/identify" => {
		2639	id => "infobox",
		2640	title => "Identify",
		2641	reply => undef,
		2642	tooltip => "Items recently identified",
		2643	},
		2644	"c/examine" => {
		2645	id => "infobox",
		2646	title => "Examine",
		2647	reply => undef,
		2648	tooltip => "Signs and other items you examined",
		2649	},
		2650	"c/lookat" => {
		2651	id => "infobox",
		2652	title => "Look",
		2653	reply => undef,
		2654	tooltip => "What you saw there",
		2655	},
		2656	);
		2657
		2658	sub cf::client::send_msg {
		2659	my ($self, $channel, $msg, $color, @extra) = @_;
		2660
		2661	$msg = $self->pl->expand_cfpod ($msg);
		2662
		2663	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2664
		2665	# check predefined channels, for the benefit of C
		2666	if ($CHANNEL{$channel}) {
		2667	$channel = $CHANNEL{$channel};
		2668
		2669	$self->ext_msg (channel_info => $channel)
		2670	if $self->can_msg;
		2671
		2672	$channel = $channel->{id};
		2673
		2674	} elsif (ref $channel) {
		2675	# send meta info to client, if not yet sent
		2676	unless (exists $self->{channel}{$channel->{id}}) {
		2677	$self->{channel}{$channel->{id}} = $channel;
		2678	$self->ext_msg (channel_info => $channel)
		2679	if $self->can_msg;
		2680	}
		2681
		2682	$channel = $channel->{id};
		2683	}
		2684
		2685	return unless @extra || length $msg;
		2686
		2687	if ($self->can_msg) {
		2688	# default colour, mask it out
		2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2690	if $color & cf::NDI_DEF;
		2691
		2692	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2694	} else {
		2695	if ($color >= 0) {
		2696	# replace some tags by gcfclient-compatible ones
		2697	for ($msg) {
		2698	1 while
		2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2704	}
		2705
		2706	$color &= cf::NDI_COLOR_MASK;
		2707
		2708	utf8::encode $msg;
		2709
		2710	if (0 && $msg =~ /\[/) {
		2711	# COMMAND/INFO
		2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2713	} else {
		2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2715	$self->send_packet ("drawinfo $color $msg")
		2716	}
		2717	}
		2718	}
		2719	}
		2720
		2721	=item $client->ext_msg ($type, @msg)
		2722
		2723	Sends an ext event to the client.
		2724
		2725	=cut
		2726
		2727	sub cf::client::ext_msg($$@) {
		2728	my ($self, $type, @msg) = @_;
		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
		2733	push @msg, msgtype => "event_$type";
		2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2735	}
		2736	}
		2737
		2738	=item $client->ext_reply ($msgid, @msg)
		2739
		2740	Sends an ext reply to the client.
		2741
		2742	=cut
		2743
		2744	sub cf::client::ext_reply($$@) {
		2745	my ($self, $id, @msg) = @_;
		2746
		2747	if ($self->extcmd == 2) {
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2749	} elsif ($self->extcmd == 1) {
		2750	#TODO: version 1, remove
		2751	unshift @msg, msgtype => "reply", msgid => $id;
		2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2753	}
		2754	}
1956		2755
1957	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
1958		2757
1959	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2759	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1962		2761
1963	Queries can fail, so check the return code. Or don't, as queries will become	2762	Queries can fail, so check the return code. Or don't, as queries will
1964	reliable at some point in the future.	2763	become reliable at some point in the future.
1965		2764
1966	=cut	2765	=cut
1967		2766
1968	sub cf::client::query {	2767	sub cf::client::query {
1969	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
1977	utf8::encode $text;	2776	utf8::encode $text;
1978	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979		2778
1980	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
1981	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
1982	}	2783	}
1983		2784
1984	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
1985	on_reply => sub {	2791	on_reply => sub {
1986	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
1987		2793
1988	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
1989	# get handled first	2795	# get handled first
1990	my $queue = delete $ns->{query_queue}	2796	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2797	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2798
1993	(shift @$queue)->[1]->($msg);	2799	(shift @$queue)->[1]->($msg);
		2800	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2801
1995	push @{ $ns->{query_queue} }, @$queue;	2802	push @{ $ns->{query_queue} }, @$queue;
1996		2803
1997	if (@{ $ns->{query_queue} } == @$queue) {	2804	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2805	if (@$queue) {
…		…
2000	} else {	2807	} else {
2001	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002	}	2809	}
2003	}	2810	}
2004	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($ns, $buf) = @_;
		2814
		2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2816
		2817	if (ref $msg) {
		2818	my ($type, $reply, @payload) =
		2819	"ARRAY" eq ref $msg
		2820	? @$msg
		2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2822
		2823	my @reply;
		2824
		2825	if (my $cb = $EXTICMD{$type}) {
		2826	@reply = $cb->($ns, @payload);
		2827	}
		2828
		2829	$ns->ext_reply ($reply, @reply)
		2830	if $reply;
		2831
		2832	} else {
		2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2834	}
		2835
		2836	cf::override;
		2837	},
2005	);	2838	);
2006		2839
2007	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
2008		2841
2009	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2050	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2051	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2052		2885
2053	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2054		2887
2055	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
2056		2893
2057	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2058		2895
2059	=pod	2896	=pod
2060		2897
2061	The following fucntions and emthods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2062		2899
2063	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2064	cf::object::player player	2904	cf::object::player
2065	cf::player peaceful	2905	player
2066	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2067		2912
2068	=cut	2913	=cut
2069		2914
2070	for (	2915	for (
2071	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr)],
2072	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2073	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2074	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2075	) {	2922	) {
2076	no strict 'refs';	2923	no strict 'refs';
…		…
2147	=back	2994	=back
2148		2995
2149	=cut	2996	=cut
2150		2997
2151	#############################################################################	2998	#############################################################################
		2999	# the server's init and main functions
2152		3000
2153	=head2 EXTENSION DATABASE SUPPORT	3001	sub load_facedata($) {
		3002	my ($path) = @_;
2154		3003
2155	Crossfire maintains a very simple database for extension use. It can	3004	# HACK to clear player env face cache, we need some signal framework
2156	currently store anything that can be serialised using Storable, which	3005	# for this (global event?)
2157	excludes objects.	3006	%ext::player_env::MUSIC_FACE_CACHE = ();
2158		3007
2159	The parameter C<$family> should best start with the name of the extension	3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2160	using it, it should be unique.
2161		3009
2162	=over 4	3010	warn "loading facedata from $path\n";
2163		3011
2164	=item $hashref = cf::db_get $family	3012	my $facedata;
		3013	0 < aio_load $path, $facedata
		3014	or die "$path: $!";
2165		3015
2166	Return a hashref for use by the extension C<$family>, which can be	3016	$facedata = Coro::Storable::thaw $facedata;
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169		3017
2170	=item $value = cf::db_get $family => $key	3018	$facedata->{version} == 2
		3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
2171		3020
2172	Returns a single value from the database	3021	# patch in the exptable
2173		3022	$facedata->{resource}{"res/exp_table"} = {
2174	=item cf::db_put $family => $hashref	3023	type => FT_RSRC,
2175		3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_put $family => $key => $value
2180
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191
2192	=cut
2193
2194	our $DB;
2195
2196	{
2197	my $path = cf::localdir . "/database.pst";
2198
2199	sub db_load() {
2200	$DB = stat $path ? Storable::retrieve $path : { };
2201	}
2202
2203	my $pid;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	3025	};
		3026	cf::cede_to_tick;
2225		3027
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}	3028	{
		3029	my $faces = $facedata->{faceinfo};
2230		3030
2231	sub db_get($;$) {	3031	while (my ($face, $info) = each %$faces) {
2232	@_ >= 2	3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2233	? $DB->{$_[0]}{$_[1]}	3033	cf::face::set_visibility $idx, $info->{visibility};
2234	: ($DB->{$_[0]} ||= { })	3034	cf::face::set_magicmap $idx, $info->{magicmap};
2235	}	3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2236		3037
2237	sub db_put($$;$) {	3038	cf::cede_to_tick;
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	3039	}
2251	);
2252	}
2253		3040
2254	#############################################################################	3041	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	3042	next unless $info->{smooth};
		3043	my $idx = cf::face::find $face
		3044	or next;
		3045	if (my $smooth = cf::face::find $info->{smooth}) {
		3046	cf::face::set_smooth $idx, $smooth;
		3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3048	} else {
		3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3050	}
2256		3051
2257	sub cfg_load {	3052	cf::cede_to_tick;
		3053	}
		3054	}
		3055
		3056	{
		3057	my $anims = $facedata->{animinfo};
		3058
		3059	while (my ($anim, $info) = each %$anims) {
		3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3061	cf::cede_to_tick;
		3062	}
		3063
		3064	cf::anim::invalidate_all; # d'oh
		3065	}
		3066
		3067	{
		3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
		3071
		3072	my $soundconf = delete $res->{"res/sound.conf"};
		3073
		3074	while (my ($name, $info) = each %$res) {
		3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
		3077
		3078	if ($info->{type} & 1) {
		3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
		3114	}
		3115
		3116	1
		3117	}
		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
		3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	load_resource_file "$MAPDIR/regions"
		3133	or die "unable to load regions file\n";
		3134
		3135	for (cf::region::list) {
		3136	$_->{match} = qr/$_->{match}/
		3137	if exists $_->{match};
		3138	}
		3139	}
		3140
		3141	sub reload_facedata {
		3142	load_facedata "$DATADIR/facedata"
		3143	or die "unable to load facedata\n";
		3144	}
		3145
		3146	sub reload_archetypes {
		3147	load_resource_file "$DATADIR/archetypes"
		3148	or die "unable to load archetypes\n";
		3149	#d# NEED to laod twice to resolve forward references
		3150	# this really needs to be done in an extra post-pass
		3151	# (which needs to be synchronous, so solve it differently)
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	}
		3155
		3156	sub reload_treasures {
		3157	load_resource_file "$DATADIR/treasures"
		3158	or die "unable to load treasurelists\n";
		3159	}
		3160
		3161	sub reload_resources {
		3162	warn "reloading resource files...\n";
		3163
		3164	reload_regions;
		3165	reload_facedata;
		3166	#reload_archetypes;#d#
		3167	reload_archetypes;
		3168	reload_treasures;
		3169
		3170	warn "finished reloading resource files\n";
		3171	}
		3172
		3173	sub init {
		3174	reload_resources;
		3175	}
		3176
		3177	sub reload_config {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3179	or return;
2260		3180
2261	local $/;	3181	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
2263		3183
…		…
2277		3197
2278	sub main {	3198	sub main {
2279	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2282	async { Event::one_event };	3204	Event::one_event;
		3205	})->prio (Coro::PRIO_MAX);
2283	};	3206	};
2284		3207
2285	cfg_load;	3208	reload_config;
2286	db_load;	3209	db_init;
2287	load_extensions;	3210	load_extensions;
		3211
		3212	$TICK_WATCHER->start;
2288	Event::loop;	3213	Event::loop;
2289	}	3214	}
2290		3215
2291	#############################################################################	3216	#############################################################################
2292	# initialisation and cleanup	3217	# initialisation and cleanup
2293		3218
2294	# install some emergency cleanup handlers	3219	# install some emergency cleanup handlers
2295	BEGIN {	3220	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	3221	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	3222	Event->signal (
		3223	reentrant => 0,
2298	data => WF_AUTOCANCEL,	3224	data => WF_AUTOCANCEL,
2299	signal => $signal,	3225	signal => $signal,
		3226	prio => 0,
2300	cb => sub {	3227	cb => sub {
2301	cf::cleanup "SIG$signal";	3228	cf::cleanup "SIG$signal";
2302	},	3229	},
2303	);	3230	);
2304	}	3231	}
2305	}	3232	}
2306		3233
		3234	sub write_runtime {
		3235	my $runtime = "$LOCALDIR/runtime";
		3236
		3237	# first touch the runtime file to show we are still running:
		3238	# the fsync below can take a very very long time.
		3239
		3240	IO::AIO::aio_utime $runtime, undef, undef;
		3241
		3242	my $guard = cf::lock_acquire "write_runtime";
		3243
		3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3245	or return;
		3246
		3247	my $value = $cf::RUNTIME + 90 + 10;
		3248	# 10 is the runtime save interval, for a monotonic clock
		3249	# 60 allows for the watchdog to kill the server.
		3250
		3251	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3252	and return;
		3253
		3254	# always fsync - this file is important
		3255	aio_fsync $fh
		3256	and return;
		3257
		3258	# touch it again to show we are up-to-date
		3259	aio_utime $fh, undef, undef;
		3260
		3261	close $fh
		3262	or return;
		3263
		3264	aio_rename "$runtime~", $runtime
		3265	and return;
		3266
		3267	warn "runtime file written.\n";
		3268
		3269	1
		3270	}
		3271
2307	sub emergency_save() {	3272	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2309		3274
2310	warn "enter emergency perl save\n";	3275	warn "enter emergency perl save\n";
2311		3276
2312	cf::sync_job {	3277	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	3278	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	3279	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	3280	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	3281	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	3282	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	3283	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	3284	$pl->valid or next;
2320	$pl->save;	3285	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	3291	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	3292	$map->valid or next;
2328	$map->save;	3293	$map->save;
2329	}	3294	}
2330	warn "end emergency map save\n";	3295	warn "end emergency map save\n";
		3296
		3297	warn "begin emergency database checkpoint\n";
		3298	BDB::db_env_txn_checkpoint $DB_ENV;
		3299	warn "end emergency database checkpoint\n";
2331	};	3300	};
2332		3301
2333	warn "leave emergency perl save\n";	3302	warn "leave emergency perl save\n";
2334	}	3303	}
2335		3304
		3305	sub post_cleanup {
		3306	my ($make_core) = @_;
		3307
		3308	warn Carp::longmess "post_cleanup backtrace"
		3309	if $make_core;
		3310	}
		3311
2336	sub reload() {	3312	sub do_reload_perl() {
2337	# can/must only be called in main	3313	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	3314	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	3315	warn "can only reload from main coroutine";
2340	return;	3316	return;
2341	}	3317	}
2342		3318
2343	warn "reloading...";	3319	warn "reloading...";
2344		3320
2345	my $guard = freeze_mainloop;	3321	warn "entering sync_job";
		3322
		3323	cf::sync_job {
		3324	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	3325	cf::emergency_save;
		3326	cf::write_runtime; # external watchdog should not bark
2347		3327
2348	eval {	3328	warn "syncing database to disk";
		3329	BDB::db_env_txn_checkpoint $DB_ENV;
		3330
2349	# if anything goes wrong in here, we should simply crash as we already saved	3331	# if anything goes wrong in here, we should simply crash as we already saved
2350		3332
2351	# cancel all watchers	3333	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	3334	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	3335	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	3336	}
2355		3337
		3338	warn "flushing outstanding aio requests";
		3339	for (;;) {
		3340	BDB::flush;
		3341	IO::AIO::flush;
		3342	Coro::cede;
		3343	last unless IO::AIO::nreqs || BDB::nreqs;
		3344	warn "iterate...";
		3345	}
		3346
		3347	++$RELOAD;
		3348
2356	# cancel all extension coros	3349	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	3350	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	3351	%EXT_CORO = ();
2359		3352
2360	# unload all extensions	3353	warn "removing commands";
2361	for (@exts) {	3354	%COMMAND = ();
		3355
		3356	warn "removing ext/exti commands";
		3357	%EXTCMD = ();
		3358	%EXTICMD = ();
		3359
		3360	warn "unloading/nuking all extensions";
		3361	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	3362	warn "... unloading $pkg";
2363	unload_extension $_;	3363
		3364	if (my $cb = $pkg->can ("unload")) {
		3365	eval {
		3366	$cb->($pkg);
		3367	1
		3368	} or warn "$pkg unloaded, but with errors: $@";
2364	}	3369	}
2365		3370
		3371	warn "... nuking $pkg";
		3372	Symbol::delete_package $pkg;
		3373	}
		3374
2366	# unload all modules loaded from $LIBDIR	3375	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	3376	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3377	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		3378
2370	warn "removing <$k>";	3379	warn "... unloading $k";
2371	delete $INC{$k};	3380	delete $INC{$k};
2372		3381
2373	$k =~ s/\.pm$//;	3382	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	3383	$k =~ s/\//::/g;
2375		3384
…		…
2378	}	3387	}
2379		3388
2380	Symbol::delete_package $k;	3389	Symbol::delete_package $k;
2381	}	3390	}
2382		3391
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	3392	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	3393	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3394	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		3395
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	3396	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	3397	delete $INC{"cf.pm"};
		3398	delete $INC{"cf/pod.pm"};
2396		3399
2397	# don't, removes xs symbols, too,	3400	# don't, removes xs symbols, too,
2398	# and global variables created in xs	3401	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	3402	#Symbol::delete_package __PACKAGE__;
2400		3403
2401	# reload cf.pm	3404	warn "unload completed, starting to reload now";
		3405
2402	warn "reloading cf.pm";	3406	warn "reloading cf.pm";
2403	require cf;	3407	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3408	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		3409
2406	# load config and database again	3410	warn "loading config and database again";
2407	cf::cfg_load;	3411	cf::reload_config;
2408	cf::db_load;
2409		3412
2410	# load extensions
2411	warn "load extensions";	3413	warn "loading extensions";
2412	cf::load_extensions;	3414	cf::load_extensions;
2413		3415
2414	# reattach attachments to objects	3416	warn "reattaching attachments to objects/players";
2415	warn "reattach";	3417	_global_reattach; # objects, sockets
2416	_global_reattach;	3418	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	3419	reattach $_ for values %MAP;
2418	};	3420	warn "reattaching attachments to players";
		3421	reattach $_ for values %PLAYER;
2419		3422
2420	if ($@) {	3423	warn "leaving sync_job";
		3424
		3425	1
		3426	} or do {
2421	warn $@;	3427	warn $@;
2422	warn "error while reloading, exiting.";	3428	warn "error while reloading, exiting.";
2423	exit 1;	3429	exit 1;
2424	}	3430	};
2425		3431
2426	warn "reloaded successfully";	3432	warn "reloaded";
2427	};	3433	};
2428		3434
2429	#############################################################################	3435	our $RELOAD_WATCHER; # used only during reload
2430		3436
2431	unless ($LINK_MAP) {	3437	sub reload_perl() {
2432	$LINK_MAP = cf::map::new;	3438	# doing reload synchronously and two reloads happen back-to-back,
		3439	# coro crashes during coro_state_free->destroy here.
2433		3440
2434	$LINK_MAP->width (41);	3441	$RELOAD_WATCHER ||= Event->timer (
2435	$LINK_MAP->height (41);	3442	reentrant => 0,
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,	3443	after => 0,
		3444	data => WF_AUTOCANCEL,
2444	cb => sub {	3445	cb => sub {
2445	$_[0]->w->cancel;	3446	do_reload_perl;
2446		3447	undef $RELOAD_WATCHER;
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});	3448	},
2465		3449	);
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	3450	}
2471
2472	register "<global>", __PACKAGE__;
2473		3451
2474	register_command "reload" => sub {	3452	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3453	my ($who, $arg) = @_;
2476		3454
2477	if ($who->flag (FLAG_WIZ)) {	3455	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	3456	$who->message ("reloading server.");
		3457	async {
		3458	$Coro::current->{desc} = "perl_reload";
		3459	reload_perl;
		3460	};
2481	}	3461	}
2482	};	3462	};
2483		3463
2484	unshift @INC, $LIBDIR;	3464	unshift @INC, $LIBDIR;
		3465
		3466	my $bug_warning = 0;
		3467
		3468	our @WAIT_FOR_TICK;
		3469	our @WAIT_FOR_TICK_BEGIN;
		3470
		3471	sub wait_for_tick {
		3472	return unless $TICK_WATCHER->is_active;
		3473	return if $Coro::current == $Coro::main;
		3474
		3475	my $signal = new Coro::Signal;
		3476	push @WAIT_FOR_TICK, $signal;
		3477	$signal->wait;
		3478	}
		3479
		3480	sub wait_for_tick_begin {
		3481	return unless $TICK_WATCHER->is_active;
		3482	return if $Coro::current == $Coro::main;
		3483
		3484	my $signal = new Coro::Signal;
		3485	push @WAIT_FOR_TICK_BEGIN, $signal;
		3486	$signal->wait;
		3487	}
2485		3488
2486	$TICK_WATCHER = Event->timer (	3489	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	3490	reentrant => 0,
		3491	parked => 1,
2488	prio => 0,	3492	prio => 0,
2489	at => $NEXT_TICK || $TICK,	3493	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	3494	data => WF_AUTOCANCEL,
2491	cb => sub {	3495	cb => sub {
		3496	if ($Coro::current != $Coro::main) {
		3497	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3498	unless ++$bug_warning > 10;
		3499	return;
		3500	}
		3501
		3502	$NOW = $tick_start = Event::time;
		3503
2492	cf::server_tick; # one server iteration	3504	cf::server_tick; # one server iteration
		3505
2493	$RUNTIME += $TICK;	3506	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	3507	$NEXT_TICK += $TICK;
2495		3508
2496	$WAIT_FOR_TICK->broadcast;	3509	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3510	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3511	Coro::async_pool {
		3512	$Coro::current->{desc} = "runtime saver";
		3513	write_runtime
		3514	or warn "ERROR: unable to write runtime file: $!";
		3515	};
		3516	}
		3517
		3518	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3519	$sig->send;
		3520	}
		3521	while (my $sig = shift @WAIT_FOR_TICK) {
		3522	$sig->send;
		3523	}
		3524
		3525	$NOW = Event::time;
2498		3526
2499	# if we are delayed by four ticks or more, skip them all	3527	# if we are delayed by four ticks or more, skip them all
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3528	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2501		3529
2502	$TICK_WATCHER->at ($NEXT_TICK);	3530	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	3531	$TICK_WATCHER->start;
		3532
		3533	$LOAD = ($NOW - $tick_start) / $TICK;
		3534	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3535
		3536	_post_tick;
2504	},	3537	},
2505	);	3538	);
2506		3539
		3540	{
		3541	BDB::min_parallel 8;
2507	IO::AIO::max_poll_time $TICK * 0.2;	3542	BDB::max_poll_time $TICK * 0.1;
2508		3543	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	3544	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	3545	fd => BDB::poll_fileno,
2511	poll => 'r',	3546	poll => 'r',
2512	prio => 5,	3547	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	3548	data => WF_AUTOCANCEL,
		3549	cb => \&BDB::poll_cb,
		3550	);
		3551
		3552	BDB::set_sync_prepare {
		3553	my $status;
		3554	my $current = $Coro::current;
		3555	(
		3556	sub {
		3557	$status = $!;
		3558	$current->ready; undef $current;
		3559	},
		3560	sub {
		3561	Coro::schedule while defined $current;
		3562	$! = $status;
		3563	},
		3564	)
		3565	};
		3566
		3567	unless ($DB_ENV) {
		3568	$DB_ENV = BDB::db_env_create;
		3569	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3570	| BDB::LOG_AUTOREMOVE, 1);
		3571	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3572	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3573
		3574	cf::sync_job {
		3575	eval {
		3576	BDB::db_env_open
		3577	$DB_ENV,
		3578	$BDBDIR,
		3579	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3580	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3581	0666;
		3582
		3583	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3584	};
		3585
		3586	cf::cleanup "db_env_open(db): $@" if $@;
		3587	};
		3588	}
		3589
		3590	$BDB_DEADLOCK_WATCHER = Event->timer (
2519	after => 0,	3591	after => 3,
2520	interval => 10,	3592	interval => 1,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
2521	cb => sub {	3596	cb => sub {
2522	(Coro::unblock_sub {	3597	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2523	write_runtime	3598	},
2524	or warn "ERROR: unable to write runtime file: $!";	3599	);
		3600	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3601	after => 11,
		3602	interval => 60,
		3603	hard => 1,
		3604	prio => 0,
		3605	data => WF_AUTOCANCEL,
		3606	cb => sub {
		3607	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3608	},
		3609	);
		3610	$BDB_TRICKLE_WATCHER = Event->timer (
		3611	after => 5,
		3612	interval => 10,
		3613	hard => 1,
		3614	prio => 0,
		3615	data => WF_AUTOCANCEL,
		3616	cb => sub {
		3617	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3618	},
		3619	);
		3620	}
		3621
		3622	{
		3623	IO::AIO::min_parallel 8;
		3624
		3625	undef $Coro::AIO::WATCHER;
		3626	IO::AIO::max_poll_time $TICK * 0.1;
		3627	$AIO_POLL_WATCHER = Event->io (
		3628	reentrant => 0,
		3629	data => WF_AUTOCANCEL,
		3630	fd => IO::AIO::poll_fileno,
		3631	poll => 'r',
		3632	prio => 0,
		3633	cb => \&IO::AIO::poll_cb,
		3634	);
		3635	}
		3636
		3637	my $_log_backtrace;
		3638
		3639	sub _log_backtrace {
		3640	my ($msg, @addr) = @_;
		3641
		3642	$msg =~ s/\n//;
		3643
		3644	# limit the # of concurrent backtraces
		3645	if ($_log_backtrace < 2) {
		3646	++$_log_backtrace;
		3647	async {
		3648	$Coro::current->{desc} = "abt $msg";
		3649
		3650	my @bt = fork_call {
		3651	@addr = map { sprintf "%x", $_ } @addr;
		3652	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3653	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3654	or die "addr2line: $!";
		3655
		3656	my @funcs;
		3657	my @res = <$fh>;
		3658	chomp for @res;
		3659	while (@res) {
		3660	my ($func, $line) = splice @res, 0, 2, ();
		3661	push @funcs, "[$func] $line";
		3662	}
		3663
		3664	@funcs
		3665	};
		3666
		3667	LOG llevInfo, "[ABT] $msg\n";
		3668	LOG llevInfo, "[ABT] $_\n" for @bt;
		3669	--$_log_backtrace;
2525	})->();	3670	};
		3671	} else {
		3672	LOG llevInfo, "[ABT] $msg\n";
		3673	LOG llevInfo, "[ABT] [suppressed]\n";
2526	},	3674	}
2527	);	3675	}
		3676
		3677	# load additional modules
		3678	use cf::pod;
2528		3679
2529	END { cf::emergency_save }	3680	END { cf::emergency_save }
2530		3681
2531	1	3682	1
2532		3683

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